Field, Neill Brooks was born on February 6, 1854 in Louisville, Kentucky, United States. Son of Charles Withers and Rebecca (Greenfield) Field.
Public schools and Forest Academy, Louisville. Studied law while in office of clerk of Circuit Court of Jefferson Company, Kentucky. Admitted to Kentucky bar, 1874.
Went to New Mexico, 1882. Conducted foreclosure and reorganization proceedings in New Mexico, Arizona and California for bondholders of A.&P. Railroad Company, 1893-1896. Also rebate case of Caledonian Coal Company versus A.,T.&San Francisco Railroad Company and Colorado Fuel & Iron Company.